fbcon: Use oops_in_progress instead of panic_cpu

Panic_cpu is not exported, so it can't be used if fbcon is used as
a module. Use oops_in_progress in this case, but non-fatal oops won't
be printed.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407210203.2ISiIC9m-lkp@intel.com/
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240722114800.174558-1-jfalempe@redhat.com

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 498d9c07df80398016156bff578ae310c05016e3..2e093535884b4b499ddd75d169344303e151077a 100644 (file)
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -64,6 +64,8 @@
 #include <linux/console.h>
 #include <linux/string.h>
 #include <linux/kd.h>
+#include <linux/panic.h>
+#include <linux/printk.h>
 #include <linux/slab.h>
 #include <linux/fb.h>
 #include <linux/fbcon.h>
@@ -272,7 +274,14 @@ static int fbcon_get_rotate(struct fb_info *info)
 
 static bool fbcon_skip_panic(struct fb_info *info)
 {
+/* panic_cpu is not exported, and can't be used if built as module. Use
+ * oops_in_progress instead, but non-fatal oops won't be printed.
+ */
+#if defined(MODULE)
+       return (info->skip_panic && unlikely(oops_in_progress));
+#else
        return (info->skip_panic && unlikely(atomic_read(&panic_cpu) != PANIC_CPU_INVALID));
+#endif
 }
 
 static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)